Home / 70,534.49-97,337.60-40,320.47

Finding the Fourth Proportional to 70,534.49, 97,337.60 and 40,320.47

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Solution

The fourth proportional to 70,534.49, 97,337.60 and 40,320.47 is: 55,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.49 : 97,337.60 = 40,320.47 : x
  2. Step 2: Convert to fraction form
    70,534.49/97,337.60 = 40,320.47/x
  3. Step 3: Cross multiply
    70,534.49x = 97,337.60 × 40,320.47
  4. Step 4: Simplify right side
    70,534.49x = 3,924,697,973.62
  5. Step 5: Solve for x
    x = 3,924,697,973.62/70,534.49
  6. Step 6: Final answer
    x = 55,642.26

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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.