Home / 67,726.56-93,455.76-39,038.40

Finding the Fourth Proportional to 67,726.56, 93,455.76 and 39,038.40

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Solution

The fourth proportional to 67,726.56, 93,455.76 and 39,038.40 is: 53,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,726.56 : 93,455.76 = 39,038.40 : x
  2. Step 2: Convert to fraction form
    67,726.56/93,455.76 = 39,038.40/x
  3. Step 3: Cross multiply
    67,726.56x = 93,455.76 × 39,038.40
  4. Step 4: Simplify right side
    67,726.56x = 3,648,363,341.18
  5. Step 5: Solve for x
    x = 3,648,363,341.18/67,726.56
  6. Step 6: Final answer
    x = 53,869.02

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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.