Home / 53,705.52-74,116.08-29,831.40

Finding the Fourth Proportional to 53,705.52, 74,116.08 and 29,831.40

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Solution

The fourth proportional to 53,705.52, 74,116.08 and 29,831.40 is: 41,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.52 : 74,116.08 = 29,831.40 : x
  2. Step 2: Convert to fraction form
    53,705.52/74,116.08 = 29,831.40/x
  3. Step 3: Cross multiply
    53,705.52x = 74,116.08 × 29,831.40
  4. Step 4: Simplify right side
    53,705.52x = 2,210,986,428.91
  5. Step 5: Solve for x
    x = 2,210,986,428.91/53,705.52
  6. Step 6: Final answer
    x = 41,168.70

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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.