Home / 53,689.76-74,095.08-31,032.80

Finding the Fourth Proportional to 53,689.76, 74,095.08 and 31,032.80

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Solution

The fourth proportional to 53,689.76, 74,095.08 and 31,032.80 is: 42,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,689.76 : 74,095.08 = 31,032.80 : x
  2. Step 2: Convert to fraction form
    53,689.76/74,095.08 = 31,032.80/x
  3. Step 3: Cross multiply
    53,689.76x = 74,095.08 × 31,032.80
  4. Step 4: Simplify right side
    53,689.76x = 2,299,377,798.62
  5. Step 5: Solve for x
    x = 2,299,377,798.62/53,689.76
  6. Step 6: Final answer
    x = 42,827.12

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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.