Home / 84,854.08-117,095.34-47,130.76

Finding the Fourth Proportional to 84,854.08, 117,095.34 and 47,130.76

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Solution

The fourth proportional to 84,854.08, 117,095.34 and 47,130.76 is: 65,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.08 : 117,095.34 = 47,130.76 : x
  2. Step 2: Convert to fraction form
    84,854.08/117,095.34 = 47,130.76/x
  3. Step 3: Cross multiply
    84,854.08x = 117,095.34 × 47,130.76
  4. Step 4: Simplify right side
    84,854.08x = 5,518,792,366.66
  5. Step 5: Solve for x
    x = 5,518,792,366.66/84,854.08
  6. Step 6: Final answer
    x = 65,038.62

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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.