Home / 86,271.48-119,030.72-51,807.32

Finding the Fourth Proportional to 86,271.48, 119,030.72 and 51,807.32

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Solution

The fourth proportional to 86,271.48, 119,030.72 and 51,807.32 is: 71,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,271.48 : 119,030.72 = 51,807.32 : x
  2. Step 2: Convert to fraction form
    86,271.48/119,030.72 = 51,807.32/x
  3. Step 3: Cross multiply
    86,271.48x = 119,030.72 × 51,807.32
  4. Step 4: Simplify right side
    86,271.48x = 6,166,662,600.87
  5. Step 5: Solve for x
    x = 6,166,662,600.87/86,271.48
  6. Step 6: Final answer
    x = 71,479.74

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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.