Home / 98,966.76-136,592.40-56,525.28

Finding the Fourth Proportional to 98,966.76, 136,592.40 and 56,525.28

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Solution

The fourth proportional to 98,966.76, 136,592.40 and 56,525.28 is: 78,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,966.76 : 136,592.40 = 56,525.28 : x
  2. Step 2: Convert to fraction form
    98,966.76/136,592.40 = 56,525.28/x
  3. Step 3: Cross multiply
    98,966.76x = 136,592.40 × 56,525.28
  4. Step 4: Simplify right side
    98,966.76x = 7,720,923,655.87
  5. Step 5: Solve for x
    x = 7,720,923,655.87/98,966.76
  6. Step 6: Final answer
    x = 78,015.32

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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.