Home / 77,033.08-106,283.10-45,203.32

Finding the Fourth Proportional to 77,033.08, 106,283.10 and 45,203.32

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Solution

The fourth proportional to 77,033.08, 106,283.10 and 45,203.32 is: 62,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,033.08 : 106,283.10 = 45,203.32 : x
  2. Step 2: Convert to fraction form
    77,033.08/106,283.10 = 45,203.32/x
  3. Step 3: Cross multiply
    77,033.08x = 106,283.10 × 45,203.32
  4. Step 4: Simplify right side
    77,033.08x = 4,804,348,979.89
  5. Step 5: Solve for x
    x = 4,804,348,979.89/77,033.08
  6. Step 6: Final answer
    x = 62,367.35

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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.