Home / 57,392.04-79,108.16-42,831.48

Finding the Fourth Proportional to 57,392.04, 79,108.16 and 42,831.48

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Solution

The fourth proportional to 57,392.04, 79,108.16 and 42,831.48 is: 59,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,392.04 : 79,108.16 = 42,831.48 : x
  2. Step 2: Convert to fraction form
    57,392.04/79,108.16 = 42,831.48/x
  3. Step 3: Cross multiply
    57,392.04x = 79,108.16 × 42,831.48
  4. Step 4: Simplify right side
    57,392.04x = 3,388,319,358.72
  5. Step 5: Solve for x
    x = 3,388,319,358.72/57,392.04
  6. Step 6: Final answer
    x = 59,038.14

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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.