Home / 99,055.32-136,696.14-56,637.24

Finding the Fourth Proportional to 99,055.32, 136,696.14 and 56,637.24

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Solution

The fourth proportional to 99,055.32, 136,696.14 and 56,637.24 is: 78,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055.32 : 136,696.14 = 56,637.24 : x
  2. Step 2: Convert to fraction form
    99,055.32/136,696.14 = 56,637.24/x
  3. Step 3: Cross multiply
    99,055.32x = 136,696.14 × 56,637.24
  4. Step 4: Simplify right side
    99,055.32x = 7,742,092,088.25
  5. Step 5: Solve for x
    x = 7,742,092,088.25/99,055.32
  6. Step 6: Final answer
    x = 78,159.28

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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.