Home / 70,585.20-97,411.08-38,753.84

Finding the Fourth Proportional to 70,585.20, 97,411.08 and 38,753.84

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Solution

The fourth proportional to 70,585.20, 97,411.08 and 38,753.84 is: 53,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.20 : 97,411.08 = 38,753.84 : x
  2. Step 2: Convert to fraction form
    70,585.20/97,411.08 = 38,753.84/x
  3. Step 3: Cross multiply
    70,585.20x = 97,411.08 × 38,753.84
  4. Step 4: Simplify right side
    70,585.20x = 3,775,053,408.55
  5. Step 5: Solve for x
    x = 3,775,053,408.55/70,585.20
  6. Step 6: Final answer
    x = 53,482.22

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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.