Home / 98,999.06-136,606.23-56,560.32

Finding the Fourth Proportional to 98,999.06, 136,606.23 and 56,560.32

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Solution

The fourth proportional to 98,999.06, 136,606.23 and 56,560.32 is: 78,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999.06 : 136,606.23 = 56,560.32 : x
  2. Step 2: Convert to fraction form
    98,999.06/136,606.23 = 56,560.32/x
  3. Step 3: Cross multiply
    98,999.06x = 136,606.23 × 56,560.32
  4. Step 4: Simplify right side
    98,999.06x = 7,726,492,082.79
  5. Step 5: Solve for x
    x = 7,726,492,082.79/98,999.06
  6. Step 6: Final answer
    x = 78,046.12

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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.