Home / 53,700.91-74,116.96-31,036.77

Finding the Fourth Proportional to 53,700.91, 74,116.96 and 31,036.77

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Solution

The fourth proportional to 53,700.91, 74,116.96 and 31,036.77 is: 42,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,700.91 : 74,116.96 = 31,036.77 : x
  2. Step 2: Convert to fraction form
    53,700.91/74,116.96 = 31,036.77/x
  3. Step 3: Cross multiply
    53,700.91x = 74,116.96 × 31,036.77
  4. Step 4: Simplify right side
    53,700.91x = 2,300,350,963.03
  5. Step 5: Solve for x
    x = 2,300,350,963.03/53,700.91
  6. Step 6: Final answer
    x = 42,836.35

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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.