Home / 88,210.95-121,730.46-47,925.05

Finding the Fourth Proportional to 88,210.95, 121,730.46 and 47,925.05

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Solution

The fourth proportional to 88,210.95, 121,730.46 and 47,925.05 is: 66,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,210.95 : 121,730.46 = 47,925.05 : x
  2. Step 2: Convert to fraction form
    88,210.95/121,730.46 = 47,925.05/x
  3. Step 3: Cross multiply
    88,210.95x = 121,730.46 × 47,925.05
  4. Step 4: Simplify right side
    88,210.95x = 5,833,938,205.60
  5. Step 5: Solve for x
    x = 5,833,938,205.60/88,210.95
  6. Step 6: Final answer
    x = 66,136.21

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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.