Home / 72,818.40-100,437.63-48,607.17

Finding the Fourth Proportional to 72,818.40, 100,437.63 and 48,607.17

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Solution

The fourth proportional to 72,818.40, 100,437.63 and 48,607.17 is: 67,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,818.40 : 100,437.63 = 48,607.17 : x
  2. Step 2: Convert to fraction form
    72,818.40/100,437.63 = 48,607.17/x
  3. Step 3: Cross multiply
    72,818.40x = 100,437.63 × 48,607.17
  4. Step 4: Simplify right side
    72,818.40x = 4,881,988,955.81
  5. Step 5: Solve for x
    x = 4,881,988,955.81/72,818.40
  6. Step 6: Final answer
    x = 67,043.34

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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.