Home / 63,007.16-86,950.10-34,712.78

Finding the Fourth Proportional to 63,007.16, 86,950.10 and 34,712.78

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Solution

The fourth proportional to 63,007.16, 86,950.10 and 34,712.78 is: 47,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.16 : 86,950.10 = 34,712.78 : x
  2. Step 2: Convert to fraction form
    63,007.16/86,950.10 = 34,712.78/x
  3. Step 3: Cross multiply
    63,007.16x = 86,950.10 × 34,712.78
  4. Step 4: Simplify right side
    63,007.16x = 3,018,279,518.71
  5. Step 5: Solve for x
    x = 3,018,279,518.71/63,007.16
  6. Step 6: Final answer
    x = 47,903.75

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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.