Home / 48,036.04-72,127.80-42,820.04

Finding the Fourth Proportional to 48,036.04, 72,127.80 and 42,820.04

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Solution

The fourth proportional to 48,036.04, 72,127.80 and 42,820.04 is: 64,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,036.04 : 72,127.80 = 42,820.04 : x
  2. Step 2: Convert to fraction form
    48,036.04/72,127.80 = 42,820.04/x
  3. Step 3: Cross multiply
    48,036.04x = 72,127.80 × 42,820.04
  4. Step 4: Simplify right side
    48,036.04x = 3,088,515,461.43
  5. Step 5: Solve for x
    x = 3,088,515,461.43/48,036.04
  6. Step 6: Final answer
    x = 64,295.80

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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.