Home / 52,368.64-72,271.38-48,678.28

Finding the Fourth Proportional to 52,368.64, 72,271.38 and 48,678.28

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Solution

The fourth proportional to 52,368.64, 72,271.38 and 48,678.28 is: 67,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,368.64 : 72,271.38 = 48,678.28 : x
  2. Step 2: Convert to fraction form
    52,368.64/72,271.38 = 48,678.28/x
  3. Step 3: Cross multiply
    52,368.64x = 72,271.38 × 48,678.28
  4. Step 4: Simplify right side
    52,368.64x = 3,518,046,471.63
  5. Step 5: Solve for x
    x = 3,518,046,471.63/52,368.64
  6. Step 6: Final answer
    x = 67,178.50

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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.