Home / 98,914.83-136,549.62-56,465.16

Finding the Fourth Proportional to 98,914.83, 136,549.62 and 56,465.16

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Solution

The fourth proportional to 98,914.83, 136,549.62 and 56,465.16 is: 77,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,914.83 : 136,549.62 = 56,465.16 : x
  2. Step 2: Convert to fraction form
    98,914.83/136,549.62 = 56,465.16/x
  3. Step 3: Cross multiply
    98,914.83x = 136,549.62 × 56,465.16
  4. Step 4: Simplify right side
    98,914.83x = 7,710,296,141.24
  5. Step 5: Solve for x
    x = 7,710,296,141.24/98,914.83
  6. Step 6: Final answer
    x = 77,948.84

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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.