Home / 86,895.27-130,392.16-46,913.72

Finding the Fourth Proportional to 86,895.27, 130,392.16 and 46,913.72

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Solution

The fourth proportional to 86,895.27, 130,392.16 and 46,913.72 is: 70,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.27 : 130,392.16 = 46,913.72 : x
  2. Step 2: Convert to fraction form
    86,895.27/130,392.16 = 46,913.72/x
  3. Step 3: Cross multiply
    86,895.27x = 130,392.16 × 46,913.72
  4. Step 4: Simplify right side
    86,895.27x = 6,117,180,749.76
  5. Step 5: Solve for x
    x = 6,117,180,749.76/86,895.27
  6. Step 6: Final answer
    x = 70,397.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.