Home / 70,535.61-97,340.33-38,707.47

Finding the Fourth Proportional to 70,535.61, 97,340.33 and 38,707.47

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Solution

The fourth proportional to 70,535.61, 97,340.33 and 38,707.47 is: 53,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,535.61 : 97,340.33 = 38,707.47 : x
  2. Step 2: Convert to fraction form
    70,535.61/97,340.33 = 38,707.47/x
  3. Step 3: Cross multiply
    70,535.61x = 97,340.33 × 38,707.47
  4. Step 4: Simplify right side
    70,535.61x = 3,767,798,000.03
  5. Step 5: Solve for x
    x = 3,767,798,000.03/70,535.61
  6. Step 6: Final answer
    x = 53,416.96

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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.