Home / 112,068.04-154,649.34-61,079.68

Finding the Fourth Proportional to 112,068.04, 154,649.34 and 61,079.68

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Solution

The fourth proportional to 112,068.04, 154,649.34 and 61,079.68 is: 84,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068.04 : 154,649.34 = 61,079.68 : x
  2. Step 2: Convert to fraction form
    112,068.04/154,649.34 = 61,079.68/x
  3. Step 3: Cross multiply
    112,068.04x = 154,649.34 × 61,079.68
  4. Step 4: Simplify right side
    112,068.04x = 9,445,932,199.41
  5. Step 5: Solve for x
    x = 9,445,932,199.41/112,068.04
  6. Step 6: Final answer
    x = 84,287.48

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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.