Home / 100,024.04-137,968.14-64,157.24

Finding the Fourth Proportional to 100,024.04, 137,968.14 and 64,157.24

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Solution

The fourth proportional to 100,024.04, 137,968.14 and 64,157.24 is: 88,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,024.04 : 137,968.14 = 64,157.24 : x
  2. Step 2: Convert to fraction form
    100,024.04/137,968.14 = 64,157.24/x
  3. Step 3: Cross multiply
    100,024.04x = 137,968.14 × 64,157.24
  4. Step 4: Simplify right side
    100,024.04x = 8,851,655,070.33
  5. Step 5: Solve for x
    x = 8,851,655,070.33/100,024.04
  6. Step 6: Final answer
    x = 88,495.28

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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.