Home / 99,017.64-136,641.53-56,576.07

Finding the Fourth Proportional to 99,017.64, 136,641.53 and 56,576.07

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Solution

The fourth proportional to 99,017.64, 136,641.53 and 56,576.07 is: 78,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,017.64 : 136,641.53 = 56,576.07 : x
  2. Step 2: Convert to fraction form
    99,017.64/136,641.53 = 56,576.07/x
  3. Step 3: Cross multiply
    99,017.64x = 136,641.53 × 56,576.07
  4. Step 4: Simplify right side
    99,017.64x = 7,730,640,907.63
  5. Step 5: Solve for x
    x = 7,730,640,907.63/99,017.64
  6. Step 6: Final answer
    x = 78,073.37

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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.