Home / 86,510.71-119,364.40-52,518.34

Finding the Fourth Proportional to 86,510.71, 119,364.40 and 52,518.34

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Solution

The fourth proportional to 86,510.71, 119,364.40 and 52,518.34 is: 72,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,510.71 : 119,364.40 = 52,518.34 : x
  2. Step 2: Convert to fraction form
    86,510.71/119,364.40 = 52,518.34/x
  3. Step 3: Cross multiply
    86,510.71x = 119,364.40 × 52,518.34
  4. Step 4: Simplify right side
    86,510.71x = 6,268,819,844.69
  5. Step 5: Solve for x
    x = 6,268,819,844.69/86,510.71
  6. Step 6: Final answer
    x = 72,462.94

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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.