Home / 121,312.02-182,024.40-46,407.41

Finding the Fourth Proportional to 121,312.02, 182,024.40 and 46,407.41

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Solution

The fourth proportional to 121,312.02, 182,024.40 and 46,407.41 is: 69,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,312.02 : 182,024.40 = 46,407.41 : x
  2. Step 2: Convert to fraction form
    121,312.02/182,024.40 = 46,407.41/x
  3. Step 3: Cross multiply
    121,312.02x = 182,024.40 × 46,407.41
  4. Step 4: Simplify right side
    121,312.02x = 8,447,280,960.80
  5. Step 5: Solve for x
    x = 8,447,280,960.80/121,312.02
  6. Step 6: Final answer
    x = 69,632.68

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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.