Home / 54,501.12-75,185.28-47,416.32

Finding the Fourth Proportional to 54,501.12, 75,185.28 and 47,416.32

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Solution

The fourth proportional to 54,501.12, 75,185.28 and 47,416.32 is: 65,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.12 : 75,185.28 = 47,416.32 : x
  2. Step 2: Convert to fraction form
    54,501.12/75,185.28 = 47,416.32/x
  3. Step 3: Cross multiply
    54,501.12x = 75,185.28 × 47,416.32
  4. Step 4: Simplify right side
    54,501.12x = 3,565,009,295.77
  5. Step 5: Solve for x
    x = 3,565,009,295.77/54,501.12
  6. Step 6: Final answer
    x = 65,411.67

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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.