Home / 99,260.16-136,982.08-56,832.32

Finding the Fourth Proportional to 99,260.16, 136,982.08 and 56,832.32

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Solution

The fourth proportional to 99,260.16, 136,982.08 and 56,832.32 is: 78,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.16 : 136,982.08 = 56,832.32 : x
  2. Step 2: Convert to fraction form
    99,260.16/136,982.08 = 56,832.32/x
  3. Step 3: Cross multiply
    99,260.16x = 136,982.08 × 56,832.32
  4. Step 4: Simplify right side
    99,260.16x = 7,785,009,404.83
  5. Step 5: Solve for x
    x = 7,785,009,404.83/99,260.16
  6. Step 6: Final answer
    x = 78,430.35

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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.