Home / 124,615.13-171,962.82-70,895.12

Finding the Fourth Proportional to 124,615.13, 171,962.82 and 70,895.12

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Solution

The fourth proportional to 124,615.13, 171,962.82 and 70,895.12 is: 97,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,615.13 : 171,962.82 = 70,895.12 : x
  2. Step 2: Convert to fraction form
    124,615.13/171,962.82 = 70,895.12/x
  3. Step 3: Cross multiply
    124,615.13x = 171,962.82 × 70,895.12
  4. Step 4: Simplify right side
    124,615.13x = 12,191,323,899.62
  5. Step 5: Solve for x
    x = 12,191,323,899.62/124,615.13
  6. Step 6: Final answer
    x = 97,831.82

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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.