Home / 77,725.37-116,587.95-31,011.05

Finding the Fourth Proportional to 77,725.37, 116,587.95 and 31,011.05

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Solution

The fourth proportional to 77,725.37, 116,587.95 and 31,011.05 is: 46,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725.37 : 116,587.95 = 31,011.05 : x
  2. Step 2: Convert to fraction form
    77,725.37/116,587.95 = 31,011.05/x
  3. Step 3: Cross multiply
    77,725.37x = 116,587.95 × 31,011.05
  4. Step 4: Simplify right side
    77,725.37x = 3,615,514,746.85
  5. Step 5: Solve for x
    x = 3,615,514,746.85/77,725.37
  6. Step 6: Final answer
    x = 46,516.53

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1.5x scale

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.