Home / 64,802.07-89,430.98-48,858.39

Finding the Fourth Proportional to 64,802.07, 89,430.98 and 48,858.39

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Solution

The fourth proportional to 64,802.07, 89,430.98 and 48,858.39 is: 67,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802.07 : 89,430.98 = 48,858.39 : x
  2. Step 2: Convert to fraction form
    64,802.07/89,430.98 = 48,858.39/x
  3. Step 3: Cross multiply
    64,802.07x = 89,430.98 × 48,858.39
  4. Step 4: Simplify right side
    64,802.07x = 4,369,453,454.63
  5. Step 5: Solve for x
    x = 4,369,453,454.63/64,802.07
  6. Step 6: Final answer
    x = 67,427.68

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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.