Home / 77,903.08-107,506.74-59,007.40

Finding the Fourth Proportional to 77,903.08, 107,506.74 and 59,007.40

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Solution

The fourth proportional to 77,903.08, 107,506.74 and 59,007.40 is: 81,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,903.08 : 107,506.74 = 59,007.40 : x
  2. Step 2: Convert to fraction form
    77,903.08/107,506.74 = 59,007.40/x
  3. Step 3: Cross multiply
    77,903.08x = 107,506.74 × 59,007.40
  4. Step 4: Simplify right side
    77,903.08x = 6,343,693,209.88
  5. Step 5: Solve for x
    x = 6,343,693,209.88/77,903.08
  6. Step 6: Final answer
    x = 81,430.58

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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.