Home / 53,737.40-74,167.04-31,072.80

Finding the Fourth Proportional to 53,737.40, 74,167.04 and 31,072.80

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Solution

The fourth proportional to 53,737.40, 74,167.04 and 31,072.80 is: 42,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,737.40 : 74,167.04 = 31,072.80 : x
  2. Step 2: Convert to fraction form
    53,737.40/74,167.04 = 31,072.80/x
  3. Step 3: Cross multiply
    53,737.40x = 74,167.04 × 31,072.80
  4. Step 4: Simplify right side
    53,737.40x = 2,304,577,600.51
  5. Step 5: Solve for x
    x = 2,304,577,600.51/53,737.40
  6. Step 6: Final answer
    x = 42,885.92

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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.