Home / 86,417.04-119,277.72-56,277.48

Finding the Fourth Proportional to 86,417.04, 119,277.72 and 56,277.48

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Solution

The fourth proportional to 86,417.04, 119,277.72 and 56,277.48 is: 77,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,417.04 : 119,277.72 = 56,277.48 : x
  2. Step 2: Convert to fraction form
    86,417.04/119,277.72 = 56,277.48/x
  3. Step 3: Cross multiply
    86,417.04x = 119,277.72 × 56,277.48
  4. Step 4: Simplify right side
    86,417.04x = 6,712,649,501.75
  5. Step 5: Solve for x
    x = 6,712,649,501.75/86,417.04
  6. Step 6: Final answer
    x = 77,677.38

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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.