Home / 98,701.36-147,814.80-56,453.40

Finding the Fourth Proportional to 98,701.36, 147,814.80 and 56,453.40

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Solution

The fourth proportional to 98,701.36, 147,814.80 and 56,453.40 is: 84,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,701.36 : 147,814.80 = 56,453.40 : x
  2. Step 2: Convert to fraction form
    98,701.36/147,814.80 = 56,453.40/x
  3. Step 3: Cross multiply
    98,701.36x = 147,814.80 × 56,453.40
  4. Step 4: Simplify right side
    98,701.36x = 8,344,648,030.32
  5. Step 5: Solve for x
    x = 8,344,648,030.32/98,701.36
  6. Step 6: Final answer
    x = 84,544.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.