Home / 90,270.06-124,574.01-52,008.51

Finding the Fourth Proportional to 90,270.06, 124,574.01 and 52,008.51

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Solution

The fourth proportional to 90,270.06, 124,574.01 and 52,008.51 is: 71,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,270.06 : 124,574.01 = 52,008.51 : x
  2. Step 2: Convert to fraction form
    90,270.06/124,574.01 = 52,008.51/x
  3. Step 3: Cross multiply
    90,270.06x = 124,574.01 × 52,008.51
  4. Step 4: Simplify right side
    90,270.06x = 6,478,908,644.83
  5. Step 5: Solve for x
    x = 6,478,908,644.83/90,270.06
  6. Step 6: Final answer
    x = 71,772.51

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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.