Home / 70,543.16-97,349.28-38,712.59

Finding the Fourth Proportional to 70,543.16, 97,349.28 and 38,712.59

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Solution

The fourth proportional to 70,543.16, 97,349.28 and 38,712.59 is: 53,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,543.16 : 97,349.28 = 38,712.59 : x
  2. Step 2: Convert to fraction form
    70,543.16/97,349.28 = 38,712.59/x
  3. Step 3: Cross multiply
    70,543.16x = 97,349.28 × 38,712.59
  4. Step 4: Simplify right side
    70,543.16x = 3,768,642,276.69
  5. Step 5: Solve for x
    x = 3,768,642,276.69/70,543.16
  6. Step 6: Final answer
    x = 53,423.22

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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.