Home / 88,731.60-133,097.40-42,075.60

Finding the Fourth Proportional to 88,731.60, 133,097.40 and 42,075.60

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Solution

The fourth proportional to 88,731.60, 133,097.40 and 42,075.60 is: 63,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.60 : 133,097.40 = 42,075.60 : x
  2. Step 2: Convert to fraction form
    88,731.60/133,097.40 = 42,075.60/x
  3. Step 3: Cross multiply
    88,731.60x = 133,097.40 × 42,075.60
  4. Step 4: Simplify right side
    88,731.60x = 5,600,152,963.44
  5. Step 5: Solve for x
    x = 5,600,152,963.44/88,731.60
  6. Step 6: Final answer
    x = 63,113.40

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1.5x scale

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.