Home / 76,845.52-106,055.40-45,041.32

Finding the Fourth Proportional to 76,845.52, 106,055.40 and 45,041.32

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Solution

The fourth proportional to 76,845.52, 106,055.40 and 45,041.32 is: 62,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.52 : 106,055.40 = 45,041.32 : x
  2. Step 2: Convert to fraction form
    76,845.52/106,055.40 = 45,041.32/x
  3. Step 3: Cross multiply
    76,845.52x = 106,055.40 × 45,041.32
  4. Step 4: Simplify right side
    76,845.52x = 4,776,875,209.13
  5. Step 5: Solve for x
    x = 4,776,875,209.13/76,845.52
  6. Step 6: Final answer
    x = 62,162.05

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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.