Home / 99,695.24-137,501.63-63,888.58

Finding the Fourth Proportional to 99,695.24, 137,501.63 and 63,888.58

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Solution

The fourth proportional to 99,695.24, 137,501.63 and 63,888.58 is: 88,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695.24 : 137,501.63 = 63,888.58 : x
  2. Step 2: Convert to fraction form
    99,695.24/137,501.63 = 63,888.58/x
  3. Step 3: Cross multiply
    99,695.24x = 137,501.63 × 63,888.58
  4. Step 4: Simplify right side
    99,695.24x = 8,784,783,464.77
  5. Step 5: Solve for x
    x = 8,784,783,464.77/99,695.24
  6. Step 6: Final answer
    x = 88,116.38

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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.