Home / 94,721.81-141,389.28-83,512.08

Finding the Fourth Proportional to 94,721.81, 141,389.28 and 83,512.08

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Solution

The fourth proportional to 94,721.81, 141,389.28 and 83,512.08 is: 124,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.81 : 141,389.28 = 83,512.08 : x
  2. Step 2: Convert to fraction form
    94,721.81/141,389.28 = 83,512.08/x
  3. Step 3: Cross multiply
    94,721.81x = 141,389.28 × 83,512.08
  4. Step 4: Simplify right side
    94,721.81x = 11,807,712,862.50
  5. Step 5: Solve for x
    x = 11,807,712,862.50/94,721.81
  6. Step 6: Final answer
    x = 124,656.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.