Home / 124,064.12-171,247.51-70,384.81

Finding the Fourth Proportional to 124,064.12, 171,247.51 and 70,384.81

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Solution

The fourth proportional to 124,064.12, 171,247.51 and 70,384.81 is: 97,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.12 : 171,247.51 = 70,384.81 : x
  2. Step 2: Convert to fraction form
    124,064.12/171,247.51 = 70,384.81/x
  3. Step 3: Cross multiply
    124,064.12x = 171,247.51 × 70,384.81
  4. Step 4: Simplify right side
    124,064.12x = 12,053,223,454.32
  5. Step 5: Solve for x
    x = 12,053,223,454.32/124,064.12
  6. Step 6: Final answer
    x = 97,153.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.