Home / 67,802.58-93,548.40-39,502.80

Finding the Fourth Proportional to 67,802.58, 93,548.40 and 39,502.80

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Solution

The fourth proportional to 67,802.58, 93,548.40 and 39,502.80 is: 54,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,802.58 : 93,548.40 = 39,502.80 : x
  2. Step 2: Convert to fraction form
    67,802.58/93,548.40 = 39,502.80/x
  3. Step 3: Cross multiply
    67,802.58x = 93,548.40 × 39,502.80
  4. Step 4: Simplify right side
    67,802.58x = 3,695,423,735.52
  5. Step 5: Solve for x
    x = 3,695,423,735.52/67,802.58
  6. Step 6: Final answer
    x = 54,502.70

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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.