Home / 124,787.64-187,210.80-40,547.52

Finding the Fourth Proportional to 124,787.64, 187,210.80 and 40,547.52

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Solution

The fourth proportional to 124,787.64, 187,210.80 and 40,547.52 is: 60,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,787.64 : 187,210.80 = 40,547.52 : x
  2. Step 2: Convert to fraction form
    124,787.64/187,210.80 = 40,547.52/x
  3. Step 3: Cross multiply
    124,787.64x = 187,210.80 × 40,547.52
  4. Step 4: Simplify right side
    124,787.64x = 7,590,933,657.22
  5. Step 5: Solve for x
    x = 7,590,933,657.22/124,787.64
  6. Step 6: Final answer
    x = 60,830.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.