Home / 112,946.02-169,424.79-42,831.14

Finding the Fourth Proportional to 112,946.02, 169,424.79 and 42,831.14

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Solution

The fourth proportional to 112,946.02, 169,424.79 and 42,831.14 is: 64,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.02 : 169,424.79 = 42,831.14 : x
  2. Step 2: Convert to fraction form
    112,946.02/169,424.79 = 42,831.14/x
  3. Step 3: Cross multiply
    112,946.02x = 169,424.79 × 42,831.14
  4. Step 4: Simplify right side
    112,946.02x = 7,256,656,899.96
  5. Step 5: Solve for x
    x = 7,256,656,899.96/112,946.02
  6. Step 6: Final answer
    x = 64,248.89

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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.