Home / 69,710.17-96,225.42-42,888.64

Finding the Fourth Proportional to 69,710.17, 96,225.42 and 42,888.64

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Solution

The fourth proportional to 69,710.17, 96,225.42 and 42,888.64 is: 59,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.17 : 96,225.42 = 42,888.64 : x
  2. Step 2: Convert to fraction form
    69,710.17/96,225.42 = 42,888.64/x
  3. Step 3: Cross multiply
    69,710.17x = 96,225.42 × 42,888.64
  4. Step 4: Simplify right side
    69,710.17x = 4,126,977,397.23
  5. Step 5: Solve for x
    x = 4,126,977,397.23/69,710.17
  6. Step 6: Final answer
    x = 59,201.94

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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.