Home / 77,464.35-106,921.76-45,643.23

Finding the Fourth Proportional to 77,464.35, 106,921.76 and 45,643.23

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Solution

The fourth proportional to 77,464.35, 106,921.76 and 45,643.23 is: 63,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,464.35 : 106,921.76 = 45,643.23 : x
  2. Step 2: Convert to fraction form
    77,464.35/106,921.76 = 45,643.23/x
  3. Step 3: Cross multiply
    77,464.35x = 106,921.76 × 45,643.23
  4. Step 4: Simplify right side
    77,464.35x = 4,880,254,255.47
  5. Step 5: Solve for x
    x = 4,880,254,255.47/77,464.35
  6. Step 6: Final answer
    x = 63,000.00

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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.