Home / 76,948.02-106,188.71-45,117.45

Finding the Fourth Proportional to 76,948.02, 106,188.71 and 45,117.45

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Solution

The fourth proportional to 76,948.02, 106,188.71 and 45,117.45 is: 62,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.02 : 106,188.71 = 45,117.45 : x
  2. Step 2: Convert to fraction form
    76,948.02/106,188.71 = 45,117.45/x
  3. Step 3: Cross multiply
    76,948.02x = 106,188.71 × 45,117.45
  4. Step 4: Simplify right side
    76,948.02x = 4,790,963,588.40
  5. Step 5: Solve for x
    x = 4,790,963,588.40/76,948.02
  6. Step 6: Final answer
    x = 62,262.34

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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.