Home / 92,835.74-128,066.73-62,582.78

Finding the Fourth Proportional to 92,835.74, 128,066.73 and 62,582.78

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Solution

The fourth proportional to 92,835.74, 128,066.73 and 62,582.78 is: 86,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,835.74 : 128,066.73 = 62,582.78 : x
  2. Step 2: Convert to fraction form
    92,835.74/128,066.73 = 62,582.78/x
  3. Step 3: Cross multiply
    92,835.74x = 128,066.73 × 62,582.78
  4. Step 4: Simplify right side
    92,835.74x = 8,014,771,988.91
  5. Step 5: Solve for x
    x = 8,014,771,988.91/92,835.74
  6. Step 6: Final answer
    x = 86,332.83

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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.