Home / 99,000.06-136,607.61-56,561.32

Finding the Fourth Proportional to 99,000.06, 136,607.61 and 56,561.32

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Solution

The fourth proportional to 99,000.06, 136,607.61 and 56,561.32 is: 78,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,000.06 : 136,607.61 = 56,561.32 : x
  2. Step 2: Convert to fraction form
    99,000.06/136,607.61 = 56,561.32/x
  3. Step 3: Cross multiply
    99,000.06x = 136,607.61 × 56,561.32
  4. Step 4: Simplify right side
    99,000.06x = 7,726,706,743.65
  5. Step 5: Solve for x
    x = 7,726,706,743.65/99,000.06
  6. Step 6: Final answer
    x = 78,047.50

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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.