Home / 99,303.17-137,094.93-65,410.13

Finding the Fourth Proportional to 99,303.17, 137,094.93 and 65,410.13

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Solution

The fourth proportional to 99,303.17, 137,094.93 and 65,410.13 is: 90,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,303.17 : 137,094.93 = 65,410.13 : x
  2. Step 2: Convert to fraction form
    99,303.17/137,094.93 = 65,410.13/x
  3. Step 3: Cross multiply
    99,303.17x = 137,094.93 × 65,410.13
  4. Step 4: Simplify right side
    99,303.17x = 8,967,397,536.38
  5. Step 5: Solve for x
    x = 8,967,397,536.38/99,303.17
  6. Step 6: Final answer
    x = 90,303.24

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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.