Home / 77,031.26-106,292.63-43,035.58

Finding the Fourth Proportional to 77,031.26, 106,292.63 and 43,035.58

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Solution

The fourth proportional to 77,031.26, 106,292.63 and 43,035.58 is: 59,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.26 : 106,292.63 = 43,035.58 : x
  2. Step 2: Convert to fraction form
    77,031.26/106,292.63 = 43,035.58/x
  3. Step 3: Cross multiply
    77,031.26x = 106,292.63 × 43,035.58
  4. Step 4: Simplify right side
    77,031.26x = 4,574,364,981.78
  5. Step 5: Solve for x
    x = 4,574,364,981.78/77,031.26
  6. Step 6: Final answer
    x = 59,383.23

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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.