Home / 99,838.32-149,677.80-57,670.32

Finding the Fourth Proportional to 99,838.32, 149,677.80 and 57,670.32

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Solution

The fourth proportional to 99,838.32, 149,677.80 and 57,670.32 is: 86,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,838.32 : 149,677.80 = 57,670.32 : x
  2. Step 2: Convert to fraction form
    99,838.32/149,677.80 = 57,670.32/x
  3. Step 3: Cross multiply
    99,838.32x = 149,677.80 × 57,670.32
  4. Step 4: Simplify right side
    99,838.32x = 8,631,966,622.90
  5. Step 5: Solve for x
    x = 8,631,966,622.90/99,838.32
  6. Step 6: Final answer
    x = 86,459.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.