Home / 99,124.63-136,792.14-53,802.65

Finding the Fourth Proportional to 99,124.63, 136,792.14 and 53,802.65

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Solution

The fourth proportional to 99,124.63, 136,792.14 and 53,802.65 is: 74,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.63 : 136,792.14 = 53,802.65 : x
  2. Step 2: Convert to fraction form
    99,124.63/136,792.14 = 53,802.65/x
  3. Step 3: Cross multiply
    99,124.63x = 136,792.14 × 53,802.65
  4. Step 4: Simplify right side
    99,124.63x = 7,359,779,772.74
  5. Step 5: Solve for x
    x = 7,359,779,772.74/99,124.63
  6. Step 6: Final answer
    x = 74,247.74

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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.